*{
    margin: 0;
    padding: 0;
}
ul{
    margin: 0;
}
li{
    list-style: none;
    color: inherit;
    font-size: inherit;
}
a,p,span{
    color: inherit;
    font-size: inherit; 
    text-decoration: none;
}
.container{
    width: 1190px;
    margin: 0 auto;
    background-color: lightblue;
}
.login-btn{
    position: fixed;
    left: 100px;
    top: 100px;
}
.overlay{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.308);
    display: none;
}
.clearfix::after{
    content: '';
    display: block;
    clear: both;
}
.box{
    /* position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto; */
    position: absolute;
    left: calc(50% - 356px/2);
    top: calc(50% - 427px/2);
    width: 356px;
    height: 427px;
    background-color: #fff;
    z-index: 99;
    display: none;
}
.top{
    height: 24px;
    cursor: move;
}
.top a{
    float: right;
    position: relative;
    top: 8px;
    right: 10px;
}
.logo {
    background: url('https://passport.baidu.com/passApi/img/loginlogo.png') no-repeat left;
    font-size: 16px;
    height: 32px;
    line-height: 46px;
    padding-left: 118px;
    color: #000;
    margin-top: 1px;
    margin-bottom: 15px;
    margin-left: 35px;
}
.content{
    padding-top: 24px;
    height: 180px;
    overflow: hidden;
    text-align: center;
    position: relative;
    display: flex;
    justify-content: center;
}
.content>img{
    width: 138px;
    height: 138px;
}
.content p{
    background: url('https://passport.baidu.com/passApi/img/qrcodeLoginGuide.png') no-repeat center;
    height: 138px;
    width: 125px;
}
.appLogin{
    font-size: 16px;
    text-align: center;
    line-height: 16px;
    padding-left: 0;
}
.appLogin a{
    color: #2e82ff;
}
ul{
    padding-top: 16px;
    margin-left: 40px;
    overflow: hidden;
    display: flex;
    justify-content: space-around;
}
ul li:nth-child(1) i{
    width: 12px;
    height: 18px;
    display: inline-block;
    position: relative;
    top: 6px;
    margin-right: 8px;
    background: url('https://passport.baidu.com/passApi/img/loginv4.png') no-repeat;
    background-position-x: -9px;
    background-position-y: -3px;
}
ul li:nth-child(2) i{
    width: 12px;
    height: 18px;
    display: inline-block;
    position: relative;
    top: 6px;
    overflow: hidden;
    margin-right: 8px;
    background: url('https://passport.baidu.com/passApi/img/loginv4.png') no-repeat;
    background-position-x: -31px;
    background-position-y: -3px;
}
ul li:nth-child(3) i{
    width: 14px;
    height: 18px;
    display: inline-block;
    position: relative;
    top: 6px;
    margin-right: 8px;
    background: url('https://passport.baidu.com/passApi/img/loginv4.png') no-repeat;
    background-position-x: -50px;
    background-position-y: -3px;
}
.footer{
    color: #2e82ff;
    margin-top: 40px;
    height: 60px;
    line-height: 60px;
    background: #f0f6ff;
    padding: 0 28px;
    position: relative;
    font-size: 14px;
}
.footer .left{
    float: left;
}
.left span:nth-child(2){
    display: inline-block;
    width: 1px;
    height: 8px;
    background-color: #2e82ff;
    margin: 0 15px;
}
.footer>a{
    float: right;
}
.icon a:nth-child(1){
    display: inline-block;
    width: 24px;
    height: 24px;
    color: #00C;
    text-decoration: underline;
    cursor: pointer;
    font-size: 12px;
    list-style: none;
    background: url('https://passport.baidu.com/passApi/img/loginv4.png') no-repeat;
    background-position-x: -4px;
    background-position-y: -29px;
    position: relative;
    top: 7px;
}
.icon a:nth-child(2){
    display: inline-block;
    width: 24px;
    height: 24px;
    color: #00C;
    text-decoration: underline;
    cursor: pointer;
    font-size: 12px;
    list-style: none;
    background: url('https://passport.baidu.com/passApi/img/loginv4.png') no-repeat;
    background-position-x: -55px;
    background-position-y: -29px;
    position: relative;
    top: 6px;
}

.btn{
    position: fixed;
    right: 20px;
    bottom: 150px;
    z-index: 90;
}
.btn .top{
    width: 30px;
    height: 33px;
    text-align: center;
    font-size: 12px;
    margin-bottom: 40px;
    background-color: rgb(184, 107, 107);
}
.btn .bottom{
    width: 30px;
    height: 33px;
    text-align: center;
    font-size: 12px;
    margin-bottom: 40px;
    background-color: rgb(184, 107, 107);
}